442 search results - page 29 / 89 » A fast and adaptive method for image contrast enhancement |
IEEEIAS
2009
IEEE
14 years 2 months ago
2009
IEEE
: An adaptive threshold for early termination is proposed in this paper to enhance the cross octagonal search algorithm (COSA)[1]. In block motion estimation, search patterns have ...
MM
2010
ACM
13 years 8 months ago
2010
ACM
Skin tones, portraits in particular, are of critical importance in photography and video, but a number of factors, such as pigmentation irregularities (e.g., moles, freckles), irr...
GRAPHICSINTERFACE
2003
13 years 9 months ago
2003
Ray tracing techniques need supersampling to reduce aliasing and/or noise in the final image. Since not all the pixels in the image require the same number of rays, supersampling...
TOG
2008
13 years 7 months ago
2008
We present a new approach for enhancing local scene contrast by unsharp masking over arbitrary surfaces under any form of illumination. Our adaptation of a well-known 2D technique...
IH
1999
Springer
14 years 14 hour ago
1999
Springer
This paper presents a new stochastic approach which can be applied with di erent watermark techniques. The approach is based on the computation of a Noise Visibility Function NVF ...